ADP7102ACPZ-R7(RevA) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADP7102ACPZ-R7
(Rev.:RevA)

20 V, 300 mA, Low Noise, CMOS LDO

Analog Devices 

ADP7102

0

LOAD = 1mA

–10

LOAD = 10mA

LOAD = 100mA

LOAD = 300mA

–20

–30

–40

–50

–60

–70

–80

–90

–100

0

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

Figure 47. Power Supply Rejection Ratio vs. Headroom Voltage, 10 kHz,

VOUT = 5 V

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

0

LOAD = 1mA

LOAD = 10mA

LOAD = 100mA

LOAD = 300mA

0.25

0.50

0.75

1.00

1.25

1.50

HEADROOM VOLTAGE (V)

Figure 48. Power Supply Rejection Ratio vs. Headroom Voltage, 100 kHz,

VOUT = 5 V

30

25

20

15

10

5

0

0.00001

0.0001

0.001

0.01

LOAD CURRENT (A)

3.3V

1.8V

5V

5VADJ

5VADJ NR

0.1

1

Figure 49. Output Noise vs. Load Current and Output Voltage,

COUT = 1 μF

10

3.3V

5V

5V ADJ

5V ADJ NR

1

Data Sheet

0.1

0.01

10

100

1k

10k

FREQUENCY (Hz)

100k

Figure 50. Output Noise Spectral Density, ILOAD = 10 mA, COUT = 1 μF

LOAD CURRENT

1

OUTPUT VOLTAGE

2

CH1 200mA Ω BW CH2 50mV BW M 20µs A CH1 76mA

T 10.4%

Figure 51. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 300 mA,

VOUT = 1.8 V, VIN = 5 V

LOAD CURRENT

1

OUTPUT VOLTAGE

2

CH1 200mA Ω BW CH2 50mV BW M 20µs

A CH1 168mA

T 10.2%

Figure 52. Load Transient Response, CIN, COUT = 1 μF, ILOAD = 1 mA to 300 mA,

VOUT = 3.3 V, VIN = 5 V

Rev. A | Page 14 of 28

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